g_array.c 67 KB
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/* Copyright (c) 1997-1999 Miller Puckette.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>      /* for read/write to files */
#include "m_pd.h"
#include "g_canvas.h"
#include <math.h>

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extern int glob_lmclick;

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static void garray_select(t_gobj *z, t_glist *glist, int state);

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/* jsarlo { */
#define ARRAYPAGESIZE 1000  /* this should match the page size in u_main.tk */
/* } jsarlo */

/* see also the "plot" object in g_scalar.c which deals with graphing
arrays which are fields in scalars.  Someday we should unify the
two, but how? */

    /* aux routine to bash leading '#' to '$' for dialogs in u_main.tk
    which can't send symbols starting with '$' (because the Pd message
    interpreter would change them!) */

static t_symbol *sharptodollar(t_symbol *s)
{
    if (*s->s_name == '#')
    {
        char buf[MAXPDSTRING];
        strncpy(buf, s->s_name, MAXPDSTRING);
        buf[MAXPDSTRING-1] = 0;
        buf[0] = '$';
        return (gensym(buf));
    }
    else return (s);
}

/* --------- "pure" arrays with scalars for elements. --------------- */

/* Pure arrays have no a priori graphical capabilities.
They are instantiated by "garrays" below or can be elements of other
scalars (g_scalar.c); their graphical behavior is defined accordingly. */

t_array *array_new(t_symbol *templatesym, t_gpointer *parent)
{
    t_array *x = (t_array *)getbytes(sizeof (*x));
    t_template *template;
    template = template_findbyname(templatesym);
    x->a_templatesym = templatesym;
    x->a_n = 1;
    x->a_elemsize = sizeof(t_word) * template->t_n;
    x->a_vec = (char *)getbytes(x->a_elemsize);
        /* note here we blithely copy a gpointer instead of "setting" a
        new one; this gpointer isn't accounted for and needn't be since
        we'll be deleted before the thing pointed to gets deleted anyway;
        see array_free. */
    x->a_gp = *parent;
    x->a_stub = gstub_new(0, x);
    word_init((t_word *)(x->a_vec), template, parent);
    return (x);
}

/* jsarlo { */
void garray_arrayviewlist_close(t_garray *x);
/* } jsarlo */

void array_resize(t_array *x, int n)
{
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    //fprintf(stderr,"array_resize %d\n", n);
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    int elemsize, oldn;
    t_template *template = template_findbyname(x->a_templatesym);
    if (n < 1)
        n = 1;
    oldn = x->a_n;
    elemsize = sizeof(t_word) * template->t_n;

    x->a_vec = (char *)resizebytes(x->a_vec, oldn * elemsize, n * elemsize);
    x->a_n = n;
    if (n > oldn)
    {
        char *cp = x->a_vec + elemsize * oldn;
        int i = n - oldn;
        for (; i--; cp += elemsize)
        {
            t_word *wp = (t_word *)cp;
            word_init(wp, template, &x->a_gp);
        }
    }
    x->a_valid = ++glist_valid;
}

static void array_resize_and_redraw(t_array *array, t_glist *glist, int n)
{
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    //fprintf(stderr,"array_resize_and_redraw\n");
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    t_array *a2 = array;
    int vis = glist_isvisible(glist);
    while (a2->a_gp.gp_stub->gs_which == GP_ARRAY)
        a2 = a2->a_gp.gp_stub->gs_un.gs_array;
    if (vis)
        gobj_vis(&a2->a_gp.gp_un.gp_scalar->sc_gobj, glist, 0);
    array_resize(array, n);
    if (vis)
        gobj_vis(&a2->a_gp.gp_un.gp_scalar->sc_gobj, glist, 1);
}

void word_free(t_word *wp, t_template *template);

void array_free(t_array *x)
{
    int i;
    t_template *scalartemplate = template_findbyname(x->a_templatesym);
    gstub_cutoff(x->a_stub);
    for (i = 0; i < x->a_n; i++)
    {
        t_word *wp = (t_word *)(x->a_vec + x->a_elemsize * i);
        word_free(wp, scalartemplate);
    }
    freebytes(x->a_vec, x->a_elemsize * x->a_n);
    freebytes(x, sizeof *x);
}

/* --------------------- graphical arrays (garrays) ------------------- */

t_class *garray_class;
static int gcount = 0;

struct _garray
{
    t_gobj x_gobj;
    t_scalar *x_scalar;     /* scalar "containing" the array */
    t_glist *x_glist;       /* containing glist */
    t_symbol *x_name;       /* unexpanded name (possibly with leading '$') */
    t_symbol *x_realname;   /* expanded name (symbol we're bound to) */
    char x_usedindsp;       /* true if some DSP routine is using this */
    char x_saveit;          /* true if we should save this with parent */
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    char x_joc;             /* true if we should "jump on click" in a graph */
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    char x_listviewing;     /* true if list view window is open */
    char x_hidename;        /* don't print name above graph */
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    int x_style;            /* so much simpler to keep it here */
    t_symbol *x_send;       /* send_changed hook */
    t_symbol *x_fillcolor;       /* color for filled area of the are */
    t_symbol *x_outlinecolor;    /* color of the outline around the element */
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};

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t_pd *garray_arraytemplatecanvas;
t_pd *garray_floattemplatecanvas;
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static char garray_arraytemplatefile[] = "\
#N canvas 0 0 458 153 10;\n\
#X obj 43 31 struct _float_array array z float float style\n\
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float linewidth float color symbol fillcolor symbol outlinecolor;\n\
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#X obj 43 70 old_plot z color linewidth 0 0 1 style fillcolor outlinecolor;\n\
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";
static char garray_floattemplatefile[] = "\
#N canvas 0 0 458 153 10;\n\
#X obj 39 26 struct float float y;\n\
";

/* create invisible, built-in canvases to determine the templates for floats
and float-arrays. */

void garray_init( void)
{
    t_binbuf *b;
    if (garray_arraytemplatecanvas)
        return;
    b = binbuf_new();
    
    glob_setfilename(0, gensym("_float"), gensym("."));
    binbuf_text(b, garray_floattemplatefile, strlen(garray_floattemplatefile));
    binbuf_eval(b, 0, 0, 0);
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    garray_floattemplatecanvas = s__X.s_thing;
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    vmess(s__X.s_thing, gensym("pop"), "i", 0);
    
    glob_setfilename(0, gensym("_float_array"), gensym("."));
    binbuf_text(b, garray_arraytemplatefile, strlen(garray_arraytemplatefile));
    binbuf_eval(b, 0, 0, 0);
    garray_arraytemplatecanvas = s__X.s_thing;
    vmess(s__X.s_thing, gensym("pop"), "i", 0);

    glob_setfilename(0, &s_, &s_);
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    binbuf_free(b);
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}

/* create a new scalar attached to a symbol.  Used to make floating-point
arrays (the scalar will be of type "_float_array").  Currently this is
always called by graph_array() below; but when we make a more general way
to save and create arrays this might get called more directly. */

static t_garray *graph_scalar(t_glist *gl, t_symbol *s, t_symbol *templatesym,
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    t_symbol *fill, t_symbol *outline, int saveit)
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{
    t_garray *x;
    t_template *template;
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    if (!(template = template_findbyname(templatesym)))
        return (0);
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    x = (t_garray *)pd_new(garray_class);
    x->x_scalar = scalar_new(gl, templatesym);
    x->x_name = s;
    x->x_realname = canvas_realizedollar(gl, s);
    pd_bind(&x->x_gobj.g_pd, x->x_realname);
    x->x_usedindsp = 0;
    x->x_saveit = saveit;
    x->x_listviewing = 0;
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    template_setsymbol(template, gensym("fillcolor"), x->x_scalar->sc_vec,
        fill, 1);
    template_setsymbol(template, gensym("outlinecolor"), x->x_scalar->sc_vec,
        outline, 1);
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    glist_add(gl, &x->x_gobj);
    x->x_glist = gl;
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    char buf[MAXPDSTRING];
    sprintf(buf, "%s_changed", x->x_realname->s_name);
    x->x_send = gensym(buf);
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    return (x);
}

    /* get a garray's "array" structure. */
t_array *garray_getarray(t_garray *x)
{
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    int zonset, ztype;
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    t_symbol *zarraytype;
    t_scalar *sc = x->x_scalar;
    t_symbol *templatesym = sc->sc_template;
    t_template *template = template_findbyname(templatesym);
    if (!template)
    {
        error("array: couldn't find template %s", templatesym->s_name);
        return (0);
    }
    if (!template_find_field(template, gensym("z"), 
        &zonset, &ztype, &zarraytype))
    {
        error("array: template %s has no 'z' field", templatesym->s_name);
        return (0);
    }
    if (ztype != DT_ARRAY)
    {
        error("array: template %s, 'z' field is not an array",
            templatesym->s_name);
        return (0);
    }
    return (sc->sc_vec[zonset].w_array);
}

    /* get the "array" structure and furthermore check it's float */
static t_array *garray_getarray_floatonly(t_garray *x,
    int *yonsetp, int *elemsizep)
{
    t_array *a = garray_getarray(x);
    int yonset, type;
    t_symbol *arraytype;
    t_template *template = template_findbyname(a->a_templatesym);
    if (!template_find_field(template, gensym("y"), &yonset,
        &type, &arraytype) || type != DT_FLOAT)
            return (0);
    *yonsetp = yonset;
    *elemsizep = a->a_elemsize;
    return (a);
}

    /* get the array's name.  Return nonzero if it should be hidden */
int garray_getname(t_garray *x, t_symbol **namep)
{
    *namep = x->x_name;
    return (x->x_hidename);
}

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    /* find out if array elements should "jump on click" in a graph */
int garray_joc(t_garray *x)
{
    return (x->x_joc);
}

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    /* helper function for fittograph to see if the same GOP has multiple
        arrays in which case take length of the largest one */
static int garray_get_largest_array(t_garray *x)
{
    t_gobj *g;
    t_array *a;
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    t_garray *tmp;
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    int an = 0;
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    // checks if there is a PLOTSTYLE_POLY vs others
    // longest array uses has_*, total_* gives total number
    // n_array gives you the number of arrays
    int has_poly = 0;
    int total_poly = 0;
    int has_other = 0;
    int total_other = 0;
    int n_array = 0;

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    int length = 0;
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    for (g = x->x_glist->gl_list; g; g = g->g_next)
    {
        if (pd_class(&g->g_pd) == garray_class)
        {
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            n_array++;
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            a = garray_getarray((t_garray *)g);
            //if ((t_garray *)g != x)
            //{
            //    an = (x->x_style == PLOTSTYLE_POINTS
            //        || x->x_style == PLOTSTYLE_BARS
            //        || a->a_n == 1 ? a->a_n : a->a_n-1);
            //    if (an > length)
            //        length = an;               
            //}
            //else
            //{
                a = garray_getarray((t_garray *)g);
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                tmp = (t_garray *)g;

                // if we have new longest plot reset the
                // count for the longest plot style
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                if (a->a_n > length)
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                {
                    has_poly = 0;
                    has_other = 0;
                }

                // get the longest (or matching) plots style
                if (a->a_n >= length)
                {
                    if (tmp->x_style == PLOTSTYLE_POLY)
                    {
                        has_poly++;                      
                    }
                    else
                    {
                        has_other++;
                    }
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                    length = a->a_n;
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                }

                // adjust total number of plot styles
                if (tmp->x_style == PLOTSTYLE_POLY)
                {
                    total_poly++;                        
                }
                else
                {
                    total_other++;
                }
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            //}
        }
    }
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    //fprintf(stderr, "has_poly=%d has_other=%d | total_poly=%d total_other=%d | n_array=%d | pre-length=%d ",
    //        has_poly, has_other, total_poly, total_other, n_array, length);
    if (has_poly && !has_other)
    {
        if (total_other)
            length--;
    }
    if (!has_poly && has_other)
    {
        if (total_poly)
            length++;
    }
    //fprintf(stderr, "post-lenght=%d\n", length);
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    return(length);
}

    /* reset the graph's coordinates
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        to fit a new size and style for the garray */
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    /* in pd-l2ork we use this for all situations, both one or more
        arrays to ensure that they are always drawn within boundaries. */
    /* flag options:
        -1 = don't resize or redraw, just send bounds message to scalars
         0 = bounds, and also resize
         1 = bounds, resize, and redraw */
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void garray_fittograph(t_garray *x, int n, int flag)
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{
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    //fprintf(stderr,"garray_fittograph\n");
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    // here we check for x->x_glist validity because when creating
    // a new array from the menu gl is null at the first garray_vis call
    if (!x->x_glist)
        return;
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    int max_length = garray_get_largest_array(x);
    //fprintf(stderr,"garray_fittograph n=%d flag=%d | max_length=%d\n", n, flag, max_length);
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    t_array *array = garray_getarray(x);
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    t_garray *tmp;
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    t_glist *gl = x->x_glist;
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    //if (gl->gl_list == &x->x_gobj && !x->x_gobj.g_next)

    t_gobj *g;
    for (g = gl->gl_list; g; g = g->g_next)
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    {
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        if (pd_class(&g->g_pd) == garray_class)
        {
            //fprintf(stderr,"found array\n");
            tmp = (t_garray *)g;
            vmess(&gl->gl_pd, gensym("bounds"), "ffff",
                0., gl->gl_y1, (double)
                    (tmp->x_style == PLOTSTYLE_POINTS || tmp->x_style == PLOTSTYLE_BARS
                        || max_length == 1 ? max_length : max_length-1),
                        gl->gl_y2);
        }
        /* close any dialogs that might have the wrong info now... 
        TODO: make changes dynamic to avoid this as it causes Apply to
        close the properties which is annoying */
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        gfxstub_deleteforkey(gl);
    }
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    if (flag >= 0)
    {
        if (flag == 1)
            array_resize_and_redraw(array, x->x_glist, n);
        else
            array_resize(array, n);
    }
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}

/* handle "array" message to glists; call graph_scalar above with
an appropriate template; then set size and flags.  This is called
from the menu and in the file format for patches.  LATER replace this
by a more coherent (and general) invocation. */

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t_garray *graph_array(t_glist *gl, t_symbol *s, int argc, t_atom *argv)
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{
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    t_symbol *fill;
    t_symbol *outline;
    int fflags;

    if (argc < 3) {pd_error(gl, "garray: not enough args"); return 0;}
    t_symbol *name = atom_getsymbolarg(0, argc--, argv++);
    int fsize = (int)atom_getfloatarg(0, argc--, argv++);
    t_symbol *templateargsym = atom_getsymbolarg(0, argc--, argv++);
    if (argc) fflags = (int)atom_getfloatarg(0, argc--, argv++);
    else fflags = 0;
    if (argc) fill = atom_getsymbolarg(0, argc--, argv++);
    else fill = gensym("black");
    if (argc) outline = atom_getsymbolarg(0, argc--, argv++);
    else outline = gensym("black");
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    int n = fsize, zonset, ztype, saveit;
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    t_symbol *zarraytype;
    t_garray *x;
    t_pd *x2;
    t_template *template, *ztemplate;
    t_symbol *templatesym;
    int flags = fflags;
    int filestyle = ((flags & 6) >> 1);
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    //fprintf(stderr,"filestyle = %d\n", filestyle);
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    int style = (filestyle == 0 ? PLOTSTYLE_POINTS :
        (filestyle == 1 ? PLOTSTYLE_POLY : filestyle));
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    if (templateargsym != &s_float)
    {
        error("array %s: only 'float' type understood", templateargsym->s_name);
        return (0);
    }
    templatesym = gensym("pd-_float_array");
    template = template_findbyname(templatesym);
    if (!template)
    {
        error("array: couldn't find template %s", templatesym->s_name);
        return (0);
    }
    if (!template_find_field(template, gensym("z"), 
        &zonset, &ztype, &zarraytype))
    {
        error("array: template %s has no 'z' field", templatesym->s_name);
        return (0);
    }
    if (ztype != DT_ARRAY)
    {
        error("array: template %s, 'z' field is not an array",
            templatesym->s_name);
        return (0);
    }
    if (!(ztemplate = template_findbyname(zarraytype)))
    {
        error("array: no template of type %s", zarraytype->s_name);
        return (0);
    }
    saveit = ((flags & 1) != 0);
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    x = graph_scalar(gl, name, templatesym, fill, outline, saveit);
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    x->x_hidename = ((flags & 8) >> 3);
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    x->x_joc = ((flags & 16) >> 4);
    x->x_fillcolor = fill;
    x->x_outlinecolor = outline;
    x->x_style = style;
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    if (n <= 0)
        n = 100;
    array_resize(x->x_scalar->sc_vec[zonset].w_array, n);

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    // let's make sure that the GOP glist has sane x values to ensure that
    // the entire array fits inside the box (this gets properly initialized
    // when creating from the menu but not when loading from the file)
    int gop_w = (x->x_style == PLOTSTYLE_POINTS || x->x_style == PLOTSTYLE_BARS
                    || n == 1 ? n : n-1);
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    //fprintf(stderr,"graph_array glist->gl_x2=%g gop_w=%d n=%d\n", gl->gl_x2, gop_w, n);
    if (gl->gl_x2 != gop_w) gl->gl_x2 = gop_w;
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    template_setfloat(template, gensym("style"), x->x_scalar->sc_vec,
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        x->x_style, 1);
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    template_setfloat(template, gensym("linewidth"), x->x_scalar->sc_vec, 
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        ((x->x_style == PLOTSTYLE_POINTS) ? 2 : 1), 1);
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    template_setsymbol(template, gensym("fillcolor"), x->x_scalar->sc_vec,
        fill, 1);
    template_setsymbol(template, gensym("outlinecolor"), x->x_scalar->sc_vec,
        outline, 1);
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    if (x2 = pd_findbyclass(gensym("#A"), garray_class))
        pd_unbind(x2, gensym("#A"));
    pd_bind(&x->x_gobj.g_pd, gensym("#A"));
    garray_redraw(x);
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/* todo: need to test to see if this is necessary
   doesn't seem like it is...
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    garray_fittograph(x, n, 1);
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*/
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    return (x);
}

    /* called from array menu item to create a new one */
void canvas_menuarray(t_glist *canvas)
{
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    if (canvas_hasarray(canvas)) return;
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    t_glist *x = (t_glist *)canvas;
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    pd_vmess(&x->gl_pd, gensym("editmode"), "i", 1);
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    char cmdbuf[200];
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    sprintf(cmdbuf, "pdtk_array_dialog %%s array%d 100 3 1 .x%lx black black\n",
        ++gcount, (long unsigned int)canvas);
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    gfxstub_new(&x->gl_pd, x, cmdbuf);
}

    /* called from graph_dialog to set properties */
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void garray_properties(t_garray *x, t_glist *canvas)
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{
    char cmdbuf[200];
    t_array *a = garray_getarray(x);
    if (!a)
        return;
    gfxstub_deleteforkey(x);
        /* create dialog window.  LATER fix this to escape '$'
        properly; right now we just detect a leading '$' and escape
        it.  There should be a systematic way of doing this. */
    sprintf(cmdbuf, ((x->x_name->s_name[0] == '$') ?
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        "pdtk_array_dialog %%s \\%s %d %d 0 .x%lx %s %s\n" :
        "pdtk_array_dialog %%s %s %d %d 0 .x%lx %s %s\n"), x->x_name->s_name,
            a->a_n, x->x_saveit +  2 * x->x_style + 8 * x->x_hidename +
            16 * x->x_joc, (long unsigned int)glist_getcanvas(canvas),
             x->x_fillcolor->s_name, x->x_outlinecolor->s_name);
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    gfxstub_new(&x->x_gobj.g_pd, x, cmdbuf);
}

    /* this is called back from the dialog window to create a garray. 
    The otherflag requests that we find an existing graph to put it in. */
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void glist_arraydialog(t_glist *parent, t_symbol *s, int argc, t_atom *argv)
//t_floatarg size, t_floatarg fflags, t_floatarg otherflag, float xdraw, float ydraw)
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{
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    t_atom at[6];
    if (argc !=8) {pd_error(parent,
        "arraydialog: wrong number of args"); return;}
    t_float size, fflags, otherflag, xdraw, ydraw;
    t_symbol *name = atom_getsymbolarg(0, argc, argv);
    size = atom_getfloatarg(1, argc, argv);
    fflags = atom_getfloatarg(2, argc, argv);
    otherflag = atom_getfloatarg(3, argc, argv);
    xdraw = atom_getfloatarg(4, argc, argv);
    ydraw = atom_getfloatarg(5, argc, argv);
    t_symbol *fillcolor = atom_getsymbolarg(6, argc, argv);
    t_symbol *outlinecolor = atom_getsymbolarg(7, argc, argv);
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    t_glist *gl;
    t_garray *a;
    int flags = fflags;
    if (size < 1)
        size = 1;
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    if (otherflag == 0 || (!(gl = glist_findgraph(parent))))
    {
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        gl = glist_addglist(parent, &s_, 0, 1,
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            (size > 1 ? size-1 : size), -1, xdraw+30, ydraw+30,
            xdraw+30+GLIST_DEFGRAPHWIDTH, ydraw+30+GLIST_DEFGRAPHHEIGHT);
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        gl->gl_hidetext = 1;
    }
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    //a = graph_array(gl, sharptodollar(name), &s_float, size, flags);
    SETSYMBOL(at, sharptodollar(name));
    SETFLOAT(at+1, size);
    SETSYMBOL(at+2, &s_float);
    SETFLOAT(at+3, flags);

    /* no idea what xdraw and ydraw are used for...
       graph_array doesn't seem to use them 
    SETFLOAT(at+4, xdraw);
    SETFLOAT(at+5, ydraw);
    */

    SETSYMBOL(at+4, fillcolor);
    SETSYMBOL(at+5, outlinecolor);
    a = graph_array(gl, gensym("array"), 8, at);
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    canvas_dirty(parent, 1);
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    //canvas_redraw(glist_getcanvas(parent));
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    garray_fittograph(a, (int)size, -1);
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    canvas_getscroll(glist_getcanvas(parent));
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}

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extern void canvas_apply_setundo(t_canvas *x, t_gobj *y);

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    /* this is called from the properties dialog window for an existing array */
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void garray_arraydialog(t_garray *x, t_symbol *s, int argc, t_atom *argv)
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{
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    //fprintf(stderr,"================garray_arraydialog\n");

    int deleteit = atom_getfloatarg(3, argc, argv);
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    if (deleteit != 0)
    {
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        //fprintf(stderr,"deleteit\n");
        //glist_select(x->x_glist, &x->x_gobj);
        //canvas_undo_add(x->x_glist, 3, "delete", canvas_undo_set_cut(x->x_glist, 2)); // 2 = UCUT_CLEAR (from g_editor.c)
//currently cannot be undo'd until we do a new kind of undo
        int dspwas = canvas_suspend_dsp();
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        glist_delete(x->x_glist, &x->x_gobj);
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        canvas_resume_dsp(dspwas);
        canvas_redraw(glist_getcanvas(x->x_glist));
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    }
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    else 
    {
        //need a new kind of undo
        //canvas_apply_setundo(glist_getcanvas(x->x_glist), (t_gobj *)x);

        if (argc !=8)
        {
            pd_error(x, "arraydialog: wrong number of args"); return;
        }
        t_symbol *name = atom_getsymbolarg(0, argc, argv);
        int fsize = atom_getfloatarg(1, argc, argv);
        int flags = atom_getfloatarg(2, argc, argv);
        t_symbol *fill = atom_getsymbolarg(6, argc, argv);
        t_symbol *outline = atom_getsymbolarg(7, argc, argv);
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        int saveit = ((flags & 1) != 0);
        int style = ((flags & 6) >> 1);

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        /* todo: revisit this filestyle business
        if (style < 2) style = !style;
        */
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        int hidename = ((flags & 8) >> 3);
        int joc = ((flags & 16) >> 4);
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        /*t_float stylewas = template_getfloat(
        template_findbyname(x->x_scalar->sc_template),
        gensym("style"), x->x_scalar->sc_vec, 1);*/

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        int size;
        t_symbol *argname = sharptodollar(name);
        t_array *a = garray_getarray(x);
        t_template *scalartemplate;
        if (!a)
        {
            pd_error(x, "can't find array\n");
            return;
        }
        if (!(scalartemplate = template_findbyname(x->x_scalar->sc_template)))
        {
            error("array: no template of type %s",
                x->x_scalar->sc_template->s_name);
            return;
        }
        if (argname != x->x_name)
        {
            /* jsarlo { */
            if (x->x_listviewing)
            {
              garray_arrayviewlist_close(x);
            }
            /* } jsarlo */
            x->x_name = argname;
            pd_unbind(&x->x_gobj.g_pd, x->x_realname);
            x->x_realname = canvas_realizedollar(x->x_glist, argname);
            pd_bind(&x->x_gobj.g_pd, x->x_realname);
        }
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            /* redraw the whole glist, just so the name change shows up */
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        if (x->x_glist->gl_havewindow)
        {
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            canvas_redraw(glist_getcanvas(x->x_glist));
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            //fprintf(stderr,"================REDRAW\n");
        }
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        size = fsize;
        if (size < 1)
            size = 1;
        if (size != a->a_n)
            garray_resize(x, size);
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        if (style != x->x_style)
        {
            x->x_style = style;
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            garray_fittograph(x, size, 1);
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        }
        //fprintf(stderr,"style=%d %f\n", style, (t_float)x->x_style);
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        template_setfloat(scalartemplate, gensym("style"),
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            x->x_scalar->sc_vec, (t_float)x->x_style, 0);
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        template_setfloat(scalartemplate, gensym("linewidth"),
            x->x_scalar->sc_vec, ((x->x_style == PLOTSTYLE_POINTS) ? 2 : 1), 1);
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        template_setsymbol(scalartemplate, gensym("fillcolor"),
            x->x_scalar->sc_vec, fill, 0);
        template_setsymbol(scalartemplate, gensym("outlinecolor"),
            x->x_scalar->sc_vec, outline, 0);
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        char buf[MAXPDSTRING];
        sprintf(buf, "%s_changed", x->x_realname->s_name);
        x->x_send = gensym(buf);
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        garray_setsaveit(x, (saveit != 0));
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        x->x_joc = joc;
        x->x_hidename = hidename;
        x->x_fillcolor = fill;
        x->x_outlinecolor = outline;
        x->x_style = style;
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        //fprintf(stderr,"GARRAY_REDRAW\n");
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        garray_redraw(x);
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        garray_select((t_gobj *)x,glist_getcanvas(x->x_glist),1);
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        canvas_dirty(x->x_glist, 1);
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    }
}

/* jsarlo { */
void garray_arrayviewlist_new(t_garray *x)
{
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    int i, type=0, elemsize=0, yonset=0;
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    t_float yval;
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    char cmdbuf[200];
    t_array *a = garray_getarray_floatonly(x, &yonset, &elemsize);

    if (!a)
    {
        /* FIXME */
        error("error in garray_arrayviewlist_new()");
    }
    x->x_listviewing = 1;
    sprintf(cmdbuf,
            "pdtk_array_listview_new %%s %s %d\n",
            x->x_realname->s_name,
            0);
    gfxstub_new(&x->x_gobj.g_pd, x, cmdbuf);
    for (i = 0; i < ARRAYPAGESIZE && i < a->a_n; i++)
    {
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        yval = *(t_float *)(a->a_vec +
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               elemsize * i + yonset);
        sys_vgui(".%sArrayWindow.lb insert %d {%d) %g}\n",
                 x->x_realname->s_name,
                 i,
                 i,
                 yval);
    }
}

void garray_arrayviewlist_fillpage(t_garray *x,
                                   t_float page,
                                   t_float fTopItem)
{
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    //fprintf(stderr,"garray_fillpage\n");
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    int i, yonset=0, elemsize=0, topItem;
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    t_float yval;
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    t_array *a = garray_getarray_floatonly(x, &yonset, &elemsize);
    
    topItem = (int)fTopItem;
    if (!a)
    {
        /* FIXME */
        error("error in garray_arrayviewlist_new()");
    }

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    if (page < 0)
    {
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      page = 0;
      sys_vgui("pdtk_array_listview_setpage %s %d\n",
               x->x_realname->s_name,
               (int)page);
    }
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    else if ((page * ARRAYPAGESIZE) >= a->a_n)
    {
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      page = (int)(((int)a->a_n - 1)/ (int)ARRAYPAGESIZE);
      sys_vgui("pdtk_array_listview_setpage %s %d\n",
               x->x_realname->s_name,
               (int)page);
    }
    sys_vgui(".%sArrayWindow.lb delete 0 %d\n",
             x->x_realname->s_name,
             ARRAYPAGESIZE - 1);
    for (i = page * ARRAYPAGESIZE;
         (i < (page + 1) * ARRAYPAGESIZE && i < a->a_n);
         i++)
    {
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        yval = *(t_float *)(a->a_vec + \
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               elemsize * i + yonset);
        sys_vgui(".%sArrayWindow.lb insert %d {%d) %g}\n",
                 x->x_realname->s_name,
                 i % ARRAYPAGESIZE,
                 i,
                 yval);
    }
    sys_vgui(".%sArrayWindow.lb yview %d\n",
             x->x_realname->s_name,
             topItem);
}

void garray_arrayviewlist_close(t_garray *x)
{
    x->x_listviewing = 0;
    sys_vgui("pdtk_array_listview_closeWindow %s\n",
             x->x_realname->s_name);
}
/* } jsarlo */

static void garray_free(t_garray *x)
{
    t_pd *x2;
        sys_unqueuegui(&x->x_gobj);
    /* jsarlo { */
        if (x->x_listviewing)
    {
        garray_arrayviewlist_close(x);
    }
    /* } jsarlo */
    gfxstub_deleteforkey(x);
    pd_unbind(&x->x_gobj.g_pd, x->x_realname);
        /* LATER find a way to get #A unbound earlier (at end of load?) */
    while (x2 = pd_findbyclass(gensym("#A"), garray_class))
        pd_unbind(x2, gensym("#A"));
    pd_free(&x->x_scalar->sc_gobj.g_pd);
}

/* ------------- code used by both array and plot widget functions ---- */

void array_redraw(t_array *a, t_glist *glist)
{
    while (a->a_gp.gp_stub->gs_which == GP_ARRAY)
        a = a->a_gp.gp_stub->gs_un.gs_array;
    scalar_redraw(a->a_gp.gp_un.gp_scalar, glist);
}

    /* routine to get screen coordinates of a point in an array */
void array_getcoordinate(t_glist *glist,
    char *elem, int xonset, int yonset, int wonset, int indx,
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    t_float basex, t_float basey, t_float xinc,
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    t_fielddesc *xfielddesc, t_fielddesc *yfielddesc, t_fielddesc *wfielddesc,
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    t_float *xp1, t_float *xp2, t_float *yp, t_float *wp)
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{
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    t_float xval, yval, ypix, wpix;
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    if (xonset >= 0)
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        xval = *(t_float *)(elem + xonset);
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    else xval = indx * xinc;
    if (yonset >= 0)
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        yval = *(t_float *)(elem + yonset);
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    else yval = 0;
    ypix = glist_ytopixels(glist, basey +
        fielddesc_cvttocoord(yfielddesc, yval));
    if (wonset >= 0)
    {
            /* found "w" field which controls linewidth. */
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        t_float wval = *(t_float *)(elem + wonset);
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        wpix = glist_ytopixels(glist, basey + 
            fielddesc_cvttocoord(yfielddesc, yval) +
                fielddesc_cvttocoord(wfielddesc, wval)) - ypix;
        if (wpix < 0)
            wpix = -wpix;
    }
    else wpix = 1;
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    *xp1 = glist_xtopixels(glist, basex +
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        fielddesc_cvttocoord(xfielddesc, xval));
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    *xp2 = glist_xtopixels(glist, basex +
        fielddesc_cvttocoord(xfielddesc, xval+1))-1;
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    *yp = ypix;
    *wp = wpix;
}

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extern int array_joc; /* from g_canvas.h */
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static t_float array_motion_xcumulative;
static t_float array_motion_ycumulative;
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static t_fielddesc *array_motion_xfield;
static t_fielddesc *array_motion_yfield;
static t_glist *array_motion_glist;
static t_scalar *array_motion_scalar;
static t_array *array_motion_array;
static t_word *array_motion_wp;
static t_template *array_motion_template;
static int array_motion_npoints;
static int array_motion_elemsize;
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//static int array_motion_altkey;
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static t_float array_motion_initx;
static t_float array_motion_xperpix;
static t_float array_motion_yperpix;
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static int array_motion_lastx;
static int array_motion_fatten;

    /* LATER protect against the template changing or the scalar disappearing
    probably by attaching a gpointer here ... */

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    /* this is called when a mouse drag happens inside an array (either
       scalar or the whole array--this needs to be tested) */
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static void array_motion(void *z, t_floatarg dx, t_floatarg dy)
{
    array_motion_xcumulative += dx * array_motion_xperpix;
    array_motion_ycumulative += dy * array_motion_yperpix;
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    //fprintf(stderr,"array_motion %f %f %f %f\n", array_motion_xcumulative, array_motion_ycumulative, dx, dy);
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    // used to set up boundaries and update sends accordingly
    t_glist *graph = NULL;
    if (array_garray != NULL) graph = array_garray->x_glist;
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    if (array_motion_xfield)
    {
            /* it's an x, y plot */
        int i;
        for (i = 0; i < array_motion_npoints; i++)
        {
            t_word *thisword = (t_word *)(((char *)array_motion_wp) +
                i * array_motion_elemsize);
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            t_float xwas = fielddesc_getcoord(array_motion_xfield, 
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                array_motion_template, thisword, 1);
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            t_float ywas = (array_motion_yfield ?
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                fielddesc_getcoord(array_motion_yfield, 
                    array_motion_template, thisword, 1) : 0);
            fielddesc_setcoord(array_motion_xfield,
                array_motion_template, thisword, xwas + dx, 1);
            if (array_motion_yfield)
            {
                if (array_motion_fatten)
                {
                    if (i == 0)
                    {
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                        t_float newy = ywas + dy * array_motion_yperpix;
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                        if (newy < 0)
                            newy = 0;
                        fielddesc_setcoord(array_motion_yfield,
                            array_motion_template, thisword, newy, 1);
                    }
                }
                else
                {
                    fielddesc_setcoord(array_motion_yfield,
                        array_motion_template, thisword,
                            ywas + dy * array_motion_yperpix, 1);
                }
            }
        }
    }
    else if (array_motion_yfield)
    {
            /* a y-only plot. */
        int thisx = array_motion_initx + array_motion_xcumulative + 0.5, x2;
        int increment, i, nchange;
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        t_float newy = array_motion_ycumulative,
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            oldy = fielddesc_getcoord(array_motion_yfield,
                array_motion_template,
                    (t_word *)(((char *)array_motion_wp) +
                        array_motion_elemsize * array_motion_lastx),
                            1);
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        // here we block scalar from exceeding the array GOP edges
        if (graph)
        {
            if (graph->gl_y1 > graph->gl_y2)
            {
                if (newy > graph->gl_y1) newy = graph->gl_y1;
                if (newy < graph->gl_y2) newy = graph->gl_y2;
            }
            else
            {
                if (newy < graph->gl_y1) newy = graph->gl_y1;
                if (newy > graph->gl_y2) newy = graph->gl_y2;
            }
        }
        //fprintf(stderr, "y = %f\n", newy);
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        t_float ydiff = newy - oldy;
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        if (thisx < 0) thisx = 0;
        else if (thisx >= array_motion_npoints)
            thisx = array_motion_npoints - 1;
        increment = (thisx > array_motion_lastx ? -1 : 1);
        nchange = 1 + increment * (array_motion_lastx - thisx);

        for (i = 0, x2 = thisx; i < nchange; i++, x2 += increment)
        {
            fielddesc_setcoord(array_motion_yfield,
                array_motion_template,
                    (t_word *)(((char *)array_motion_wp) +
                        array_motion_elemsize * x2), newy, 1);
            if (nchange > 1)
                newy -= ydiff * (1./(nchange - 1));
         }
         array_motion_lastx = thisx;
    }
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    //fprintf(stderr, "%f %f\n", graph->gl_y1, graph->gl_y2);
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    if (array_motion_scalar)
        scalar_redraw(array_motion_scalar, array_motion_glist);
    if (array_motion_array)
        array_redraw(array_motion_array, array_motion_glist);
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    /* send a bang to the associated send to reflect the change
       via mouse click/drag */
    if (graph && array_garray->x_send->s_thing)
        pd_bang(array_garray->x_send->s_thing);
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}

int scalar_doclick(t_word *data, t_template *template, t_scalar *sc,
    t_array *ap, struct _glist *owner,
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    t_float xloc, t_float yloc, int xpix, int ypix,
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    int shift, int alt, int dbl, int doit);
    /* try clicking on an element of the array as a scalar (if clicking
    on the trace of the array failed) */
static int array_doclick_element(t_array *array, t_glist *glist,
    t_scalar *sc, t_array *ap,
    t_symbol *elemtemplatesym,
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    t_float linewidth, t_float xloc, t_float xinc, t_float yloc,
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    t_fielddesc *xfield, t_fielddesc *yfield, t_fielddesc *wfield,
    int xpix, int ypix, int shift, int alt, int dbl, int doit)
{
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    //fprintf(stderr,"array_doclick_element linewidth%f xloc%f xinc%f yloc%f xpix%d ypix%d doit%d\n", linewidth, xloc, xinc, yloc, xpix, ypix, doit);
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    t_canvas *elemtemplatecanvas;
    t_template *elemtemplate;
    int elemsize, yonset, wonset, xonset, i, incr, hit;
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    t_float xsum;
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    if (elemtemplatesym == &s_float)
        return (0);
    if (array_getfields(elemtemplatesym, &elemtemplatecanvas,
        &elemtemplate, &elemsize, xfield, yfield, wfield,
            &xonset, &yonset, &wonset))
                return (0);
        /* if it has more than 2000 points, just check 300 of them. */
    if (array->a_n < 2000)
        incr = 1;
    else incr = array->a_n / 300;
    for (i = 0, xsum = 0; i < array->a_n; i += incr)
    {
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        t_float usexloc, useyloc;
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        if (xonset >= 0)
            usexloc = xloc + fielddesc_cvttocoord(xfield, 
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                *(t_float *)(((char *)(array->a_vec) + elemsize * i) + xonset));
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        else usexloc = xloc + xsum, xsum += xinc;
        useyloc = yloc + (yonset >= 0 ? fielddesc_cvttocoord(yfield,
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            *(t_float *)(((char *)(array->a_vec) + elemsize * i) + yonset)) : 0);
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        if (hit = scalar_doclick(
            (t_word *)((char *)(array->a_vec) + i * elemsize),
            elemtemplate, 0, array,
            glist, usexloc, useyloc,
            xpix, ypix, shift, alt, dbl, doit))
                return (hit);
    }
    return (0);
}

    /* LATER move this and others back into plot parentwidget code, so
    they can be static (look in g_canvas.h for candidates). */
int array_doclick(t_array *array, t_glist *glist, t_scalar *sc, t_array *ap,
    t_symbol *elemtemplatesym,
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    t_float linewidth, t_float xloc, t_float xinc, t_float yloc, t_float scalarvis,
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    t_fielddesc *xfield, t_fielddesc *yfield, t_fielddesc *wfield,
    int xpix, int ypix, int shift, int alt, int dbl, int doit)
{
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    //fprintf(stderr,"array_doclick linewidth%f xloc%f xinc%f yloc%f xpix%d ypix%d doit%d\n", linewidth, xloc, xinc, yloc, xpix, ypix, doit);
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    t_canvas *elemtemplatecanvas;
    t_template *elemtemplate;
    int elemsize, yonset, wonset, xonset, i;

    if (!array_getfields(elemtemplatesym, &elemtemplatecanvas,
        &elemtemplate, &elemsize, xfield, yfield, wfield,
        &xonset, &yonset, &wonset))
    {
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        t_float best = -1;
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            /* if it has more than 2000 points, just check 1000 of them. */
        int incr = (array->a_n <= 2000 ? 1 : array->a_n / 1000);
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        t_float pxpix1, pxpix2, pypix, pwpix, dx, dy, dy2, dy3;
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        for (i = 0; i < array->a_n; i += incr)
        {
            array_getcoordinate(glist, (char *)(array->a_vec) + i * elemsize,
                xonset, yonset, wonset, i, xloc, yloc, xinc,
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                xfield, yfield, wfield, &pxpix1, &pxpix2, &pypix, &pwpix);
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            //fprintf(stderr,"    array_getcoordinate %d: pxpix1:%f pxpix2:%f pypix:%f pwpix:%f dx:%f dy:%f elemsize:%d yonset:%d wonset:%d xonset:%d xloc:%f yloc:%f xinc:%f\n", i, pxpix1, pxpix2, pypix, pwpix, dx, dy, elemsize, yonset, wonset, xonset, xloc, yloc, xinc);
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            if (pwpix < 4)
                pwpix = 4;
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            if (xpix >= (int)pxpix1 && xpix <= (int)pxpix2 &&
                ((array_joc) ||
                 (ypix >= pypix-pwpix && ypix <= pypix+pwpix)))
            {
                best = i;
                break;
            }
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/*
            if (pwpix < 4)
                pwpix = 4;
            dx = pxpix1 - xpix;
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            if (dx < 0) dx = -dx;
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            if (dx > pxpix2-pxpix1) //this is the arbitrary radius away from the actual object's center, originally 8
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                continue;   
            dy = pypix - ypix;
            if (dy < 0) dy = -dy;
            if (dx + dy < best)
                best = dx + dy;
            if (wonset >= 0)
            {
                dy = (pypix + pwpix) - ypix;
                if (dy < 0) dy = -dy;
                if (dx + dy < best)
                    best = dx + dy;
                dy = (pypix - pwpix) - ypix;
                if (dy < 0) dy = -dy;
                if (dx + dy < best)
                    best = dx + dy;
            }
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            //fprintf(stderr,"    1st %f %f %f %f %f %d %d %d %d %d\n", pxpix, pypix, pwpix, dx, dy, elemsize, yonset, wonset, xonset, i);*/
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        }
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        //fprintf(stderr,"    best = %f\n", best);
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        if (best == -1 && (array_joc == 0)) //this is the arbitrary radius away from the actual object's center, originally 8
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        {
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            //fprintf(stderr,"    best > 8\n");
            if (scalarvis != 0)
            {
                //fprintf(stderr,"    array_doclick_element\n");
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                return (array_doclick_element(array, glist, sc, ap,
                    elemtemplatesym, linewidth, xloc, xinc, yloc,
                        xfield, yfield, wfield,
                        xpix, ypix, shift, alt, dbl, doit));
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            }
            else
            {
                //fprintf(stderr,"    return 0\n");
                return (0);
            }
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        }
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        //best += 0.001;  /* add truncation error margin */
        //for (i = 0; i < array->a_n; i += incr)
        //{
            //array_getcoordinate(glist, (char *)(array->a_vec) + i * elemsize,
            //    xonset, yonset, wonset, i, xloc, yloc, xinc,
            //    xfield, yfield, wfield, &pxpix1, &pxpix2, &pypix, &pwpix);
            //dx = pxpix1 - xpix;
            //if (dx < 0) dx = -dx;
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            dy = pypix - ypix;
            if (dy < 0) dy = -dy;
            if (wonset >= 0)
            {
                dy2 = (pypix + pwpix) - ypix;
                if (dy2 < 0) dy2 = -dy2;
                dy3 = (pypix - pwpix) - ypix;
                if (dy3 < 0) dy3 = -dy3;
                if (yonset < 0)
                    dy = 100;
            }
            else dy2 = dy3 = 100;
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            //fprintf(stderr,"    2nd %f %f %f %f %f %f %f %d %d %d %d %d\n", pxpix, pypix, pwpix, dx, dy, dy2, dy3, elemsize, yonset, wonset, xonset, i);
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            //if (dx + dy <= best || dx + dy2 <= best || dx + dy3 <= best)
            //{
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            //fprintf(stderr, "dy=%f dy2=%f dy3=%f\n", dy, dy2, dy3);
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/* from array-rev */

            int hit = 0;
            if(array_joc)
            {
                    hit = (xpix >= pxpix1) && (xpix < pxpix2);
            }
            else
                hit = dx + dy <= best || dx + dy2 <= best || dx + dy3 <= best;
/* end array-rev */

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                if (dy < dy2 && dy < dy3)
                {
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                    array_motion_fatten = 0;
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                    //fprintf(stderr,"A\n");
                }
                else if (dy2 < dy3)
                {
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                    array_motion_fatten = -1;
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                    //fprintf(stderr,"B\n");
                }
                else if (!array_joc)
                {
                    array_motion_fatten = 1;
                    //fprintf(stderr,"C\n");
                }
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                if (doit || (glob_lmclick && array_joc))
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                {
                    char *elem = (char *)array->a_vec;
                    array_motion_elemsize = elemsize;
                    array_motion_glist = glist;
                    array_motion_scalar = sc;
                    array_motion_array = ap;
                    array_motion_template = elemtemplate;
                    array_motion_xperpix = glist_dpixtodx(glist, 1);
                    array_motion_yperpix = glist_dpixtody(glist, 1);
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                    if (alt) /* delete a point */
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                    {
                        if (array->a_n <= 1)
                            return (0);
                        memmove((char *)(array->a_vec) + elemsize * i, 
                            (char *)(array->a_vec) + elemsize * (i+1),
                                (array->a_n - 1 - i) * elemsize);
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                        //array_resize_and_redraw(array, glist, array->a_n - 1);
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                        garray_resize(array_garray, array->a_n - 1);
                        canvas_setcursor(glist_getcanvas(glist), 0);
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                        return (0);
                    }
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                    else if (shift)
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                    {
                        /* add a point (after the clicked-on one) */
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                        //fprintf(stderr,"add a point\n");
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                        //array_resize_and_redraw(array, glist, array->a_n + 1);
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                        elem = (char *)array->a_vec;
                        memmove(elem + elemsize * (i+1), 
                            elem + elemsize * i,
                                (array->a_n - i - 1) * elemsize);
                        i++;
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                        garray_resize(array_garray, array->a_n + 1);
                        canvas_setcursor(glist_getcanvas(glist), 0);
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                    }
                    if (xonset >= 0)
                    {
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                        //fprintf(stderr, "   xonset >=0\n");
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                        array_motion_xfield = xfield;
                        array_motion_xcumulative = 
                            fielddesc_getcoord(xfield, array_motion_template,
                                (t_word *)(elem + i * elemsize), 1);
                            array_motion_wp = (t_word *)(elem + i * elemsize);
                        if (shift)
                            array_motion_npoints = array->a_n - i;
                        else array_motion_npoints = 1;
                    }
                    else
                    {
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                        //fprintf(stderr, "   !(xonset >=0)\n");
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                        array_motion_xfield = 0;
                        array_motion_xcumulative = 0;
                        array_motion_wp = (t_word *)elem;
                        array_motion_npoints = array->a_n;

                        array_motion_initx = i;
                        array_motion_lastx = i;
                        array_motion_xperpix *= (xinc == 0 ? 1 : 1./xinc);
                    }
                    if (array_motion_fatten)
                    {
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                        //fprintf(stderr, "   motion_fatten\n");
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                        array_motion_yfield = wfield;
                        array_motion_ycumulative = 
                            fielddesc_getcoord(wfield, array_motion_template,
                                (t_word *)(elem + i * elemsize), 1);
                        array_motion_yperpix *= -array_motion_fatten;
                    }
                    else if (yonset >= 0)
                    {
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                        //fprintf(stderr, "   yonset >=0\n");
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                        array_motion_yfield = yfield;
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                        array_motion_ycumulative =
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                            fielddesc_getcoord(yfield, array_motion_template,
                                (t_word *)(elem + i * elemsize), 1);
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                            /* *(t_float *)((elem + elemsize * i) + yonset); */
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                        //if (array_joc) {
                        // we do cursor detection based on the kind of a graph.
                        // (e.g. 3-point PLOYSTYLE_POINTS creates a graph that has 4 delimiting points,
                        // while a 3-point PLOTSTYLE_POLY creates a graph that has only 3 delimiting points)
                        // This, therefore takes into account whether we should count the center point
                        // of a bar or the starting point (poly) as our reference
                        // TODO: see if we can reimplement Bezier curves
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                        if (array_garray != NULL && (array_garray->x_style == PLOTSTYLE_POLY || array_garray->x_style == PLOTSTYLE_BEZ))
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                            array_motion(0, xpix - pxpix1, ypix - pypix);
                        else
                            array_motion(0, (xpix - (pxpix1 + (pxpix2 - pxpix1)/2)), ypix - pypix);
                        //}
                        //else {
                        //    array_motion(0, (xpix - (pxpix1 + (pxpix2 - pxpix1)/2)), ypix - pypix);
                        //}
                        //fprintf(stderr, "xpix:%d pxpix1:%f half:%f result:%f\n", xpix, pxpix1, (pxpix2-pxpix1)/2, xpix - (pxpix1 + (pxpix2 - pxpix1)/2));
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                    }
                    else
                    {
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                        //fprintf(stderr, "   else 0\n");
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                        array_motion_yfield = 0;
                        array_motion_ycumulative = 0;
                    }
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                    //fprintf(stderr,"    glist_grab %d %d\n", xpix, ypix);
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                    glist_grab(glist, 0, array_motion, 0, xpix, ypix);
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                    //fprintf(stderr,"    VALUES: array_motion_initx:%f array_motion_lastx:%d array_motion_xperpix:%f array_motion_xcumulative:%f\n", array_motion_initx, array_motion_lastx, array_motion_xperpix, array_motion_xcumulative);
                    //fprintf(stderr,"    array_getcoordinate %d: pxpix1:%f pxpix2:%f pypix:%f pwpix:%f dx:%f dy:%f elemsize:%d yonset:%d wonset:%d xonset:%d xloc:%f yloc:%f xinc:%f\n", i, pxpix1, pxpix2, pypix, pwpix, dx, dy, elemsize, yonset, wonset, xonset, xloc, yloc, xinc);

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                }
                if (alt)
                {
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                    return (CURSOR_EDITMODE_DISCONNECT);
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                }
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                else if (shift)
                {
                    return (CURSOR_RUNMODE_ADDPOINT);
                }
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                else return (array_motion_fatten ?
                    CURSOR_RUNMODE_THICKEN : CURSOR_RUNMODE_CLICKME);
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            //}
        //}   
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    }
    return (0);
}

static void array_getrect(t_array *array, t_glist *glist,
    int *xp1, int *yp1, int *xp2, int *yp2)
{
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    //fprintf(stderr,"array getrect %d %d\n", glist_istoplevel(glist), (array_joc != 0 ? 1 : 0));
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    t_float x1 = 0x7fffffff, y1 = 0x7fffffff, x2 = -0x7fffffff, y2 = -0x7fffffff;
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    t_canvas *elemtemplatecanvas;
    t_template *elemtemplate;
    int elemsize, yonset, wonset, xonset, i;
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    if (!array_getfields(array->a_templatesym, &elemtemplatecanvas,
        &elemtemplate, &elemsize, 0, 0, 0, &xonset, &yonset, &wonset))
    {
        int incr;
            /* if it has more than 2000 points, just check 300 of them. */
        if (array->a_n < 2000)
            incr = 1;
        else incr = array->a_n / 300;
        for (i = 0; i < array->a_n; i += incr)
        {
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            t_float pxpix1, pxpix2, pypix, pwpix;
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            array_getcoordinate(glist, (char *)(array->a_vec) +
                i * elemsize,
                xonset, yonset, wonset, i, 0, 0, 1,
                0, 0, 0,
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                &pxpix1, &pxpix2, &pypix, &pwpix);
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            if (pwpix < 2)
                pwpix = 2;
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            if (pxpix1 < x1)
                x1 = pxpix1;
            if (pxpix2 > x2)
                x2 = pxpix2;
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            if (pypix - pwpix < y1)
                y1 = pypix - pwpix;
            if (pypix + pwpix > y2)
                y2 = pypix + pwpix;
        }
    }
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    //fprintf(stderr,"array_getrect %f %f %f %f\n", x1, y1, x2, y2);
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    *xp1 = x1;
    *yp1 = y1;
    *xp2 = x2;
    *yp2 = y2;
}

/* -------------------- widget behavior for garray ------------ */

static void garray_getrect(t_gobj *z, t_glist *glist,
    int *xp1, int *yp1, int *xp2, int *yp2)
{
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    //fprintf(stderr,"garray_getrect\n");
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    t_garray *x = (t_garray *)z;
    gobj_getrect(&x->x_scalar->sc_gobj, glist, xp1, yp1, xp2, yp2);
}

static void garray_displace(t_gobj *z, t_glist *glist, int dx, int dy)
{
    /* refuse */
}

static void garray_select(t_gobj *z, t_glist *glist, int state)
{
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    //fprintf(stderr,">>>>>>>>>>>>garray_select %d\n", state);
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    t_garray *x = (t_garray *)z;
    sys_vgui("pdtk_select_all_gop_widgets .x%lx %lx %d\n",
        glist_getcanvas(glist), x->x_glist, state);
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    /* fill in later */
}

static void garray_activate(t_gobj *z, t_glist *glist, int state)
{
}

static void garray_delete(t_gobj *z, t_glist *glist)
{
    /* nothing to do */
}

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extern int do_not_redraw;

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static void garray_vis(t_gobj *z, t_glist *glist, int vis)
{
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    //fprintf(stderr,"garray_vis %d\n", vis);
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    t_garray *x = (t_garray *)z;
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    if (vis) {
        t_array *a = garray_getarray(x);
        int ne = a->a_n;
        int n = (x->x_style == PLOTSTYLE_POINTS ||
            x->x_style == PLOTSTYLE_BARS || ne == 1 ? ne : ne-1);
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        //fprintf(stderr,"garray_vis glist->gl_x2=%g n=%d a->a_n=%d\n", glist->gl_x2, n, a->a_n);
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        //if (glist->gl_x2 != n) {
        glist->gl_x2 = n;
        do_not_redraw = 1;
        garray_fittograph(x, n, -1);
        do_not_redraw = 0;
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    }
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    gobj_vis(&x->x_scalar->sc_gobj, glist, vis);
    //if (((t_glist *)z)->gl_isgraph)
    //    fprintf(stderr,"garray_vis am_graph\n");
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}

static int garray_click(t_gobj *z, t_glist *glist,
    int xpix, int ypix, int shift, int alt, int dbl, int doit)
{
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    //fprintf(stderr,"garray_click\n");
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    t_garray *x = (t_garray *)z;
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    array_garray = x;
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